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Finding the Fourth Proportional to 173,701.68, 239,691.36 and 97,216.22

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Solution

The fourth proportional to 173,701.68, 239,691.36 and 97,216.22 is: 134,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,701.68 : 239,691.36 = 97,216.22 : x
  2. Step 2: Convert to fraction form
    173,701.68/239,691.36 = 97,216.22/x
  3. Step 3: Cross multiply
    173,701.68x = 239,691.36 × 97,216.22
  4. Step 4: Simplify right side
    173,701.68x = 23,301,887,985.86
  5. Step 5: Solve for x
    x = 23,301,887,985.86/173,701.68
  6. Step 6: Final answer
    x = 134,148.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.